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Aquaporin

Aquaporin
(Science: protein) plant cell wall polysaccharides containing predominantly arabinose and galactose.
two main types are recognised: arabinogalactan 1, found in the pectin portion of angiosperms and containing -(1-4) linked galactan and – arabinose side chains, arabinogalactan II, a highly branched polymer containing -(1-3) and – (1-6) linked galactose and peripheralarabinose residues. Arabinogalactan II is found in large amounts on some gymnosperms, especially larches and is related to AGP.


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